<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Captcha
 * @subpackage Adapter
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

/** Zend_Captcha_Word */
require_once 'Zend/Captcha/Word.php';

/** Zend_Text_Figlet */
require_once 'Zend/Text/Figlet.php';

/**
 * Captcha based on figlet text rendering service
 *
 * Note that this engine seems not to like numbers
 *
 * @category   Zend
 * @package    Zend_Captcha
 * @subpackage Adapter
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Figlet.php 18951 2009-11-12 16:26:19Z alexander $
 */
class Zend_Captcha_Figlet extends Zend_Captcha_Word
{
	/**
	 * Figlet text renderer
	 *
	 * @var Zend_Text_Figlet
	 */
	protected $_figlet;

	/**
	 * Constructor
	 *
	 * @param  null|string|array|Zend_Config $options
	 * @return void
	 */
	public function __construct($options = null)
	{
		parent::__construct($options);
		$this->_figlet = new Zend_Text_Figlet($options);
	}

	/**
	 * Generate new captcha
	 *
	 * @return string
	 */
	public function generate()
	{
		$this->_useNumbers = false;
		return parent::generate();
	}

	/**
	 * Display the captcha
	 *
	 * @param Zend_View_Interface $view
	 * @param mixed $element
	 * @return string
	 */
	public function render(Zend_View_Interface $view = null, $element = null)
	{
		return '<pre>'
		. $this->_figlet->render($this->getWord())
		. "</pre>\n";
	}
}
